Using the Third Person Game Template, you’ll learn how to swap in any character and animations for the default mannequin in this meant-to-follow-along tutorial. We cover building an Animation Blueprint, including a State Machine and a Blend Space 1D, and other settings to fine-tune your character’s motion.
https://dev.epicgames.com/community/learning/tutorials/BdOZ/unreal-engine-build-an-animation-blueprint-from-scratch-and-add-custom-animations-using-a-blend-space